Environmental Pollution

Environmental Pollution is an international peer-reviewed journal that publishes high quality research papers and review articles about all aspects of environmental pollution and its effects on ecosystems and human health. The journal welcomes high-quality process-oriented and hypothesis-based submissions that report results from original and novel research and contribute new knowledge to help address problems related to environmental pollution at a regional or global scale. Subject areas include, but are not limited to: • Sources and occurrences of pollutants that are clearly defined and measured in environmental compartments, food and food-related items, and human bodies; • Interlinks between contaminant exposure and biological, ecological, and human health effects, including those of climate change; • Contaminants of emerging concerns (including but not limited to antibiotic resistant microorganisms or genes, microplastics/nanoplastics, electronic wastes, light, and noise) and/or their biological, ecological, or human health effects; • Laboratory and field studies on the remediation/mitigation of environmental pollution via new techniques and with clear links to biological, ecological, or human health effects; • Modeling of pollution processes, patterns, or trends that is of clear environmental and/or human health interest; • New techniques that measure and examine environmental occurrences, transport, behavior, and effects of pollutants within the environment or the laboratory, provided that they can be clearly used to address problems within regional or global environmental compartments.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Health, Toxicology and Mutagenesis	1999	Q1
Health, Toxicology and Mutagenesis	2000	Q1
Health, Toxicology and Mutagenesis	2001	Q1
Health, Toxicology and Mutagenesis	2002	Q1
Health, Toxicology and Mutagenesis	2003	Q1
Health, Toxicology and Mutagenesis	2004	Q1
Health, Toxicology and Mutagenesis	2005	Q1
Health, Toxicology and Mutagenesis	2006	Q1
Health, Toxicology and Mutagenesis	2007	Q1
Health, Toxicology and Mutagenesis	2008	Q1
Health, Toxicology and Mutagenesis	2009	Q1
Health, Toxicology and Mutagenesis	2010	Q1
Health, Toxicology and Mutagenesis	2011	Q1
Health, Toxicology and Mutagenesis	2012	Q1
Health, Toxicology and Mutagenesis	2013	Q1
Health, Toxicology and Mutagenesis	2014	Q1
Health, Toxicology and Mutagenesis	2015	Q1
Health, Toxicology and Mutagenesis	2016	Q1
Health, Toxicology and Mutagenesis	2017	Q1
Health, Toxicology and Mutagenesis	2018	Q1
Health, Toxicology and Mutagenesis	2019	Q1
Health, Toxicology and Mutagenesis	2020	Q1
Health, Toxicology and Mutagenesis	2021	Q1
Health, Toxicology and Mutagenesis	2022	Q1
Medicine (miscellaneous)	1999	Q1
Medicine (miscellaneous)	2000	Q1
Medicine (miscellaneous)	2001	Q1
Medicine (miscellaneous)	2002	Q1
Medicine (miscellaneous)	2003	Q1
Medicine (miscellaneous)	2004	Q1
Medicine (miscellaneous)	2005	Q1
Medicine (miscellaneous)	2006	Q1
Medicine (miscellaneous)	2007	Q1
Medicine (miscellaneous)	2008	Q1
Medicine (miscellaneous)	2009	Q1
Medicine (miscellaneous)	2010	Q1
Medicine (miscellaneous)	2011	Q1
Medicine (miscellaneous)	2012	Q1
Medicine (miscellaneous)	2013	Q1
Medicine (miscellaneous)	2014	Q1
Medicine (miscellaneous)	2015	Q1
Medicine (miscellaneous)	2016	Q1
Medicine (miscellaneous)	2017	Q1
Medicine (miscellaneous)	2018	Q1
Medicine (miscellaneous)	2019	Q1
Medicine (miscellaneous)	2020	Q1
Medicine (miscellaneous)	2021	Q1
Medicine (miscellaneous)	2022	Q1
Pollution	1999	Q1
Pollution	2000	Q1
Pollution	2001	Q1
Pollution	2002	Q1
Pollution	2003	Q1
Pollution	2004	Q1
Pollution	2005	Q1
Pollution	2006	Q1
Pollution	2007	Q1
Pollution	2008	Q1
Pollution	2009	Q1
Pollution	2010	Q1
Pollution	2011	Q1
Pollution	2012	Q1
Pollution	2013	Q1
Pollution	2014	Q1
Pollution	2015	Q1
Pollution	2016	Q1
Pollution	2017	Q1
Pollution	2018	Q1
Pollution	2019	Q1
Pollution	2020	Q1
Pollution	2021	Q1
Pollution	2022	Q1
Toxicology	1999	Q1
Toxicology	2000	Q1
Toxicology	2001	Q1
Toxicology	2002	Q1
Toxicology	2003	Q1
Toxicology	2004	Q1
Toxicology	2005	Q1
Toxicology	2006	Q1
Toxicology	2007	Q1
Toxicology	2008	Q1
Toxicology	2009	Q1
Toxicology	2010	Q1
Toxicology	2011	Q1
Toxicology	2012	Q1
Toxicology	2013	Q1
Toxicology	2014	Q1
Toxicology	2015	Q1
Toxicology	2016	Q1
Toxicology	2017	Q1
Toxicology	2018	Q1
Toxicology	2019	Q1
Toxicology	2020	Q1
Toxicology	2021	Q1
Toxicology	2022	Q1

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	1.028
2000	0.855
2001	1.142
2002	1.254
2003	1.562
2004	1.672
2005	1.510
2006	1.679
2007	1.843
2008	1.922
2009	2.002
2010	2.002
2011	2.041
2012	2.038
2013	1.976
2014	1.987
2015	2.003
2016	1.827
2017	1.615
2018	1.673
2019	1.968
2020	2.136
2021	1.954
2022	2.110

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	167
2000	215
2001	242
2002	306
2003	280
2004	282
2005	327
2006	433
2007	465
2008	531
2009	457
2010	475
2011	486
2012	429
2013	494
2014	460
2015	481
2016	945
2017	1097
2018	1483
2019	1619
2020	2106
2021	2372
2022	1986

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	1.315
Cites / Doc. (4 years)	2000	1.475
Cites / Doc. (4 years)	2001	1.651
Cites / Doc. (4 years)	2002	2.150
Cites / Doc. (4 years)	2003	2.592
Cites / Doc. (4 years)	2004	2.836
Cites / Doc. (4 years)	2005	3.135
Cites / Doc. (4 years)	2006	3.427
Cites / Doc. (4 years)	2007	3.810
Cites / Doc. (4 years)	2008	3.854
Cites / Doc. (4 years)	2009	4.233
Cites / Doc. (4 years)	2010	4.252
Cites / Doc. (4 years)	2011	4.548
Cites / Doc. (4 years)	2012	4.488
Cites / Doc. (4 years)	2013	4.898
Cites / Doc. (4 years)	2014	5.185
Cites / Doc. (4 years)	2015	5.571
Cites / Doc. (4 years)	2016	5.723
Cites / Doc. (4 years)	2017	5.632
Cites / Doc. (4 years)	2018	6.469
Cites / Doc. (4 years)	2019	7.290
Cites / Doc. (4 years)	2020	8.483
Cites / Doc. (4 years)	2021	9.825
Cites / Doc. (4 years)	2022	10.301
Cites / Doc. (3 years)	1999	1.315
Cites / Doc. (3 years)	2000	1.391
Cites / Doc. (3 years)	2001	1.596
Cites / Doc. (3 years)	2002	2.181
Cites / Doc. (3 years)	2003	2.533
Cites / Doc. (3 years)	2004	2.714
Cites / Doc. (3 years)	2005	2.881
Cites / Doc. (3 years)	2006	3.372
Cites / Doc. (3 years)	2007	3.654
Cites / Doc. (3 years)	2008	3.744
Cites / Doc. (3 years)	2009	4.111
Cites / Doc. (3 years)	2010	4.107
Cites / Doc. (3 years)	2011	4.303
Cites / Doc. (3 years)	2012	4.476
Cites / Doc. (3 years)	2013	4.733
Cites / Doc. (3 years)	2014	5.025
Cites / Doc. (3 years)	2015	5.296
Cites / Doc. (3 years)	2016	5.675
Cites / Doc. (3 years)	2017	5.296
Cites / Doc. (3 years)	2018	6.208
Cites / Doc. (3 years)	2019	7.337
Cites / Doc. (3 years)	2020	8.434
Cites / Doc. (3 years)	2021	9.636
Cites / Doc. (3 years)	2022	10.019
Cites / Doc. (2 years)	1999	1.162
Cites / Doc. (2 years)	2000	1.166
Cites / Doc. (2 years)	2001	1.484
Cites / Doc. (2 years)	2002	2.101
Cites / Doc. (2 years)	2003	2.294
Cites / Doc. (2 years)	2004	2.461
Cites / Doc. (2 years)	2005	2.783
Cites / Doc. (2 years)	2006	3.087
Cites / Doc. (2 years)	2007	3.374
Cites / Doc. (2 years)	2008	3.467
Cites / Doc. (2 years)	2009	3.728
Cites / Doc. (2 years)	2010	3.689
Cites / Doc. (2 years)	2011	4.164
Cites / Doc. (2 years)	2012	4.133
Cites / Doc. (2 years)	2013	4.398
Cites / Doc. (2 years)	2014	4.530
Cites / Doc. (2 years)	2015	5.319
Cites / Doc. (2 years)	2016	5.357
Cites / Doc. (2 years)	2017	4.708
Cites / Doc. (2 years)	2018	6.114
Cites / Doc. (2 years)	2019	7.216
Cites / Doc. (2 years)	2020	8.039
Cites / Doc. (2 years)	2021	9.137
Cites / Doc. (2 years)	2022	9.483

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	81
Self Cites	2000	104
Self Cites	2001	134
Self Cites	2002	127
Self Cites	2003	180
Self Cites	2004	189
Self Cites	2005	213
Self Cites	2006	307
Self Cites	2007	423
Self Cites	2008	499
Self Cites	2009	559
Self Cites	2010	522
Self Cites	2011	525
Self Cites	2012	370
Self Cites	2013	409
Self Cites	2014	380
Self Cites	2015	475
Self Cites	2016	825
Self Cites	2017	992
Self Cites	2018	1652
Self Cites	2019	2520
Self Cites	2020	3296
Self Cites	2021	3739
Self Cites	2022	3325
Total Cites	1999	797
Total Cites	2000	850
Total Cites	2001	1044
Total Cites	2002	1361
Total Cites	2003	1933
Total Cites	2004	2247
Total Cites	2005	2501
Total Cites	2006	2998
Total Cites	2007	3807
Total Cites	2008	4587
Total Cites	2009	5875
Total Cites	2010	5968
Total Cites	2011	6296
Total Cites	2012	6347
Total Cites	2013	6579
Total Cites	2014	7080
Total Cites	2015	7324
Total Cites	2016	8143
Total Cites	2017	9989
Total Cites	2018	15663
Total Cites	2019	25863
Total Cites	2020	35416
Total Cites	2021	50185
Total Cites	2022	61086

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	1.182
External Cites per document	2000	1.221
External Cites per document	2001	1.391
External Cites per document	2002	1.978
External Cites per document	2003	2.298
External Cites per document	2004	2.486
External Cites per document	2005	2.636
External Cites per document	2006	3.027
External Cites per document	2007	3.248
External Cites per document	2008	3.337
External Cites per document	2009	3.720
External Cites per document	2010	3.748
External Cites per document	2011	3.945
External Cites per document	2012	4.215
External Cites per document	2013	4.439
External Cites per document	2014	4.755
External Cites per document	2015	4.952
External Cites per document	2016	5.100
External Cites per document	2017	4.770
External Cites per document	2018	5.553
External Cites per document	2019	6.622
External Cites per document	2020	7.649
External Cites per document	2021	8.918
External Cites per document	2022	9.474
Cites per document	1999	1.315
Cites per document	2000	1.391
Cites per document	2001	1.596
Cites per document	2002	2.181
Cites per document	2003	2.533
Cites per document	2004	2.714
Cites per document	2005	2.881
Cites per document	2006	3.372
Cites per document	2007	3.654
Cites per document	2008	3.744
Cites per document	2009	4.111
Cites per document	2010	4.107
Cites per document	2011	4.303
Cites per document	2012	4.476
Cites per document	2013	4.733
Cites per document	2014	5.025
Cites per document	2015	5.296
Cites per document	2016	5.675
Cites per document	2017	5.296
Cites per document	2018	6.208
Cites per document	2019	7.337
Cites per document	2020	8.434
Cites per document	2021	9.636
Cites per document	2022	10.019

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	18.56
2000	18.14
2001	23.97
2002	18.95
2003	22.50
2004	32.62
2005	28.75
2006	31.87
2007	30.97
2008	29.38
2009	32.60
2010	35.16
2011	37.04
2012	39.39
2013	35.22
2014	35.43
2015	39.09
2016	35.98
2017	38.92
2018	41.00
2019	35.39
2020	33.95
2021	34.99
2022	33.94

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	3
Non-citable documents	2000	6
Non-citable documents	2001	22
Non-citable documents	2002	21
Non-citable documents	2003	21
Non-citable documents	2004	4
Non-citable documents	2005	7
Non-citable documents	2006	8
Non-citable documents	2007	11
Non-citable documents	2008	17
Non-citable documents	2009	19
Non-citable documents	2010	21
Non-citable documents	2011	21
Non-citable documents	2012	18
Non-citable documents	2013	30
Non-citable documents	2014	27
Non-citable documents	2015	42
Non-citable documents	2016	37
Non-citable documents	2017	36
Non-citable documents	2018	33
Non-citable documents	2019	31
Non-citable documents	2020	35
Non-citable documents	2021	39
Non-citable documents	2022	50
Citable documents	1999	603
Citable documents	2000	605
Citable documents	2001	632
Citable documents	2002	603
Citable documents	2003	742
Citable documents	2004	824
Citable documents	2005	861
Citable documents	2006	881
Citable documents	2007	1031
Citable documents	2008	1208
Citable documents	2009	1410
Citable documents	2010	1432
Citable documents	2011	1442
Citable documents	2012	1400
Citable documents	2013	1360
Citable documents	2014	1382
Citable documents	2015	1341
Citable documents	2016	1398
Citable documents	2017	1850
Citable documents	2018	2490
Citable documents	2019	3494
Citable documents	2020	4164
Citable documents	2021	5169
Citable documents	2022	6047

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	250
Uncited documents	2000	253
Uncited documents	2001	237
Uncited documents	2002	158
Uncited documents	2003	193
Uncited documents	2004	166
Uncited documents	2005	151
Uncited documents	2006	141
Uncited documents	2007	133
Uncited documents	2008	156
Uncited documents	2009	179
Uncited documents	2010	176
Uncited documents	2011	173
Uncited documents	2012	137
Uncited documents	2013	149
Uncited documents	2014	111
Uncited documents	2015	126
Uncited documents	2016	124
Uncited documents	2017	138
Uncited documents	2018	154
Uncited documents	2019	159
Uncited documents	2020	174
Uncited documents	2021	180
Uncited documents	2022	202
Cited documents	1999	356
Cited documents	2000	358
Cited documents	2001	417
Cited documents	2002	466
Cited documents	2003	570
Cited documents	2004	662
Cited documents	2005	717
Cited documents	2006	748
Cited documents	2007	909
Cited documents	2008	1069
Cited documents	2009	1250
Cited documents	2010	1277
Cited documents	2011	1290
Cited documents	2012	1281
Cited documents	2013	1241
Cited documents	2014	1298
Cited documents	2015	1257
Cited documents	2016	1311
Cited documents	2017	1748
Cited documents	2018	2369
Cited documents	2019	3366
Cited documents	2020	4025
Cited documents	2021	5028
Cited documents	2022	5895